Title and Copyright Information
Preface
- Audience
- Documentation Accessibility
- Diversity and Inclusion
- Related Documentation
- Conventions
1 Understanding WebLogic Server Clustering
- What Is a WebLogic Server Cluster?
- What Are Dynamic Clusters?
- How Does a Cluster Relate to a Domain?
- What Are the Benefits of Clustering?
- What Are the Key Capabilities of a Cluster?
- What Types of Objects Can Be Clustered?
- What Types of Objects Cannot Be Clustered?
2 Communications in a Cluster
- Choosing WebLogic Server Cluster Messaging Protocols
- Peer-to-Peer Communication Using IP Sockets
- Client Communication by Using Sockets
- Cluster-Wide JNDI Naming Service
3 Understanding Cluster Configuration
- Cluster Configuration and config.xml
- Role of the Administration Server
  - What Happens if the Administration Server Fails?
- How Dynamic Configuration Works
- Application Deployment for Clustered Configurations
- Methods of Configuring Clusters
4 Load Balancing in a Cluster
- Load Balancing for Servlets and JSPs
  - Load Balancing with a Proxy Plug-in
    - How Session Connection and Failover Work with a Proxy Plug-in
  - Load Balancing HTTP Sessions with an External Load Balancer
- Load Balancing for EJBs and RMI Objects
- Load Balancing for JMS
  - Server Affinity for Distributed JMS Destinations
  - Initial Context Affinity and Server Affinity for Client Connections
5 Failover and Replication in a Cluster
- How WebLogic Server Detects Failures
  - Failure Detection Using IP Sockets
  - The WebLogic Server "Heartbeat"
- Replication and Failover for Servlets and JSPs
- Replication and Failover for EJBs and RMIs
6 Whole Server Migration
- Understanding Server and Service Migration
- Migration Terminology
- Leasing
- Automatic Whole Server Migration
- Whole Server Migration with Dynamic and Mixed Clusters
  - Configuring Whole Server Migration with Dynamic Clusters
  - Configuring Whole Server Migration with Mixed Clusters
7 Service Migration
- Understanding the Service Migration Framework
- Pre-Migration Requirements
- Roadmap for Configuring Automatic Migration of JMS-Related Services
- Best Practices for Configuring JMS Migration
- Roadmap for Configuring Manual Migration of JMS-Related Services
- Roadmap for Configuring Automatic Migration of the JTA Transaction Recovery Service
- Manual Migration of the JTA Transaction Recovery Service
- Automatic Migration of User-Defined Singleton Services
8 Cluster Architectures
- Architectural and Cluster Terminology
- Recommended Basic Architecture
  - When Not to Use a Combined Tier Architecture
- Recommended Multitier Architecture
- Recommended Proxy Architectures
- Security Options for Cluster Architectures
  - Basic Firewall for Proxy Architectures
  - Additional Security for Shared Databases
    - DMZ with Two Firewall Configuration
9 Setting Up WebLogic Clusters
- Before You Start
- Cluster Implementation Procedures
10 Dynamic Clusters
- What Are Dynamic Clusters?
- Why Do You Use Dynamic Clusters?
- How Do Dynamic Clusters Work?
- Limitations and Considerations When Using Dynamic Clusters
- Dynamic Clusters Example
11 Configuring and Managing Coherence Clusters
- Overview of Coherence Clusters
- Setting Up a Coherence Cluster
  - Define a Coherence Cluster Resource
  - Create Standalone Managed Coherence Servers
- Creating Coherence Deployment Tiers
- Configuring a Coherence Cluster
- Configuring Managed Coherence Servers
- Using a Single-Server Cluster
- Using WLST with Coherence
- Accessing Coherence MBeans by Using WLST
- Persisting Coherence Caches with WLST
12 Clustering Best Practices
- General Design Considerations
  - Strive for Simplicity
  - Minimize Remote Calls
- Web Application Design Considerations
- EJB Design Considerations
  - Design Idempotent Methods
  - Follow Usage and Configuration Guidelines
    - Cluster-Related Configuration Options
- State Management in a Cluster
- Application Deployment Considerations
- Architecture Considerations
- Avoiding Problems
13 Troubleshooting Common Problems
- Before You Start the Cluster
- After You Start the Cluster
14 Troubleshooting Multicast Configuration
- Verifying Multicast Address and Port Configuration
  - Possible Errors
  - Checking the Multicast Address and Port
- Identifying Network Configuration Problems
- Using the MulticastTest Utility
- Tuning Multicast Features
- Debugging Multicast
  - Debugging Utilities
    - MulticastMonitor
    - MulticastTest
  - Debugging Flags
    - Setting Debug Flags on the Command Line
    - Setting Debug Attributes Using WLST
- Miscellaneous Issues
  - File Descriptor Problems
- Other Resources for Troubleshooting Multicast Configuration
A The WebLogic Cluster API
- How to Use the API
- Custom Call Routing and Collocation Optimization
B Configuring BIG-IP Hardware with Clusters
C Configuring F5 Load Balancers for MAN/WAN Failover
- Requirements
- Configure Local Load Balancers
- Configure the 3-DNS Global Hardware Load Balancer
- Configuring WebLogic Server Components
D Configuring Radware Load Balancers for MAN/WAN Failover
- Requirements
- Step 1: Configure an Authoritative Delegation Zone
- Step 2: Configure Farm Virtual IPs and Servers
- Step 3: Configure Port Multiplexing
- Step 4: Configure HTTP Redirects
- Step 5: Configure Session ID Persistency
- Step 6: Configure Load Reporting Protocol (LRP)
- Step 7: Configure WebLogic Server Components